More than likely the fuel lines were removed or replaced which triggered the o2 sensor to go off.
O2 sensor head gasket.
If there s a head gasket leak then yes it could.
So before replacing any of these sensors you must first find the real problem that pushed you in that direction.
I m worried that i have a blown head gasket that is leaking slowly out of that corner of the head.
Oxygen sensor is just that it detects oxygen in the engine.
I hope they u changed the plugs but the blown head gasket will cause damage to the o2 sen and the cat.
Kax 234 4209 oxygen sensor original equipment replacement 234 4209 heated o2 sensor air fuel ratio sensor 1 sensor 2 upstream downstream 1pcs 4 4 out of 5 stars 16 26 99.
If its a coolant type leak.
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I have also been getting oxygen sensor codes being thrown every month or so the check engine light typically goes away.